1111011012 has 48 divisors (see below), whose sum is σ = 2883462400. Its totient is φ = 369943200.

The previous prime is 1111011007. The next prime is 1111011037. The reversal of 1111011012 is 2101101111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1111010985 and 1111011003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107262 + ... + 117162.

Almost surely, 2^1111011012 is an apocalyptic number.

1111011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111011012 is an abundant number, since it is smaller than the sum of its proper divisors (1772451388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111011012 is a wasteful number, since it uses less digits than its factorization.

1111011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953 (or 10945 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1111011012 is about 33331.8318128482. The cubic root of 1111011012 is about 1035.7130645960.

Adding to 1111011012 its reverse (2101101111), we get a palindrome (3212112123).

Subtracting 1111011012 from its reverse (2101101111), we obtain a palindrome (990090099).

It can be divided in two parts, 11110 and 11012, that added together give a palindrome (22122).

The spelling of 1111011012 in words is "one billion, one hundred eleven million, eleven thousand, twelve".